//
//  NetworkingHandler.m
//  UI29_Block
//
//  Created by Scott on 16/1/21.
//  Copyright © 2016年 Scott. All rights reserved.
//

#import "NetworkingHandler.h"

@implementation NetworkingHandler


+ (void)networkingWithURL:(NSString *)string completeHandle:(void (^)(NSURLResponse *, NSData *, id))block {
    
    // 字符串转码
    NSString *codeStr = [string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    
    NSURL *url = [NSURL URLWithString:codeStr];
    
    // session
    NSURLSession *session = [NSURLSession sharedSession];
    
    NSURLSessionDataTask *dataTask = [session dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        
       
        
        // 回到主线程(GCD).
        dispatch_async(dispatch_get_main_queue(), ^{
            
            if (data) {
            // 数据解析
                id result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
                
                // 调用block
                block(response, data, result);
            
            }
        });
        
    }];
    
    [dataTask resume];
}




@end
